arch/arm/boot/dts/bcm2835.dtsi

   1 /include/ "skeleton.dtsi"
   2
   3 / {
   4         compatible = "brcm,bcm2835";
   5         model = "BCM2835";
   6         interrupt-parent = <&intc>;
   7
   8         chosen {
   9                 bootargs = "earlyprintk console=ttyAMA0";
  10         };
  11
  12         soc {
  13                 compatible = "simple-bus";
  14                 #address-cells = <1>;
  15                 #size-cells = <1>;
  16                 ranges = <0x7e000000 0x20000000 0x02000000>;
  17
  18                 timer@7e003000 {
  19                         compatible = "brcm,bcm2835-system-timer";
  20                         reg = <0x7e003000 0x1000>;
  21                         interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
  22                         clock-frequency = <1000000>;
  23                 };
  24
  25                 dma: dma@7e007000 {
  26                         compatible = "brcm,bcm2835-dma";
  27                         reg = <0x7e007000 0xf00>;
  28                         interrupts = <1 16>,
  29                                      <1 17>,
  30                                      <1 18>,
  31                                      <1 19>,
  32                                      <1 20>,
  33                                      <1 21>,
  34                                      <1 22>,
  35                                      <1 23>,
  36                                      <1 24>,
  37                                      <1 25>,
  38                                      <1 26>,
  39                                      <1 27>,
  40                                      <1 28>;
  41
  42                         #dma-cells = <1>;
  43                         brcm,dma-channel-mask = <0x7f35>;
  44                 };
  45
  46                 intc: interrupt-controller@7e00b200 {
  47                         compatible = "brcm,bcm2835-armctrl-ic";
  48                         reg = <0x7e00b200 0x200>;
  49                         interrupt-controller;
  50                         #interrupt-cells = <2>;
  51                 };
  52
  53                 watchdog@7e100000 {
  54                         compatible = "brcm,bcm2835-pm-wdt";
  55                         reg = <0x7e100000 0x28>;
  56                 };
  57
  58                 rng@7e104000 {
  59                         compatible = "brcm,bcm2835-rng";
  60                         reg = <0x7e104000 0x10>;
  61                 };
  62
  63                 gpio: gpio@7e200000 {
  64                         compatible = "brcm,bcm2835-gpio";
  65                         reg = <0x7e200000 0xb4>;
  66                         /*
  67                          * The GPIO IP block is designed for 3 banks of GPIOs.
  68                          * Each bank has a GPIO interrupt for itself.
  69                          * There is an overall "any bank" interrupt.
  70                          * In order, these are GIC interrupts 17, 18, 19, 20.
  71                          * Since the BCM2835 only has 2 banks, the 2nd bank
  72                          * interrupt output appears to be mirrored onto the
  73                          * 3rd bank's interrupt signal.
  74                          * So, a bank0 interrupt shows up on 17, 20, and
  75                          * a bank1 interrupt shows up on 18, 19, 20!
  76                          */
  77                         interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
  78
  79                         gpio-controller;
  80                         #gpio-cells = <2>;
  81
  82                         interrupt-controller;
  83                         #interrupt-cells = <2>;
  84                 };
  85
  86                 uart@7e201000 {
  87                         compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
  88                         reg = <0x7e201000 0x1000>;
  89                         interrupts = <2 25>;
  90                         clock-frequency = <3000000>;
  91                         arm,primecell-periphid = <0x00241011>;
  92                 };
  93
  94                 i2s: i2s@7e203000 {
  95                         compatible = "brcm,bcm2835-i2s";
  96                         reg = <0x7e203000 0x20>,
  97                               <0x7e101098 0x02>;
  98
  99                         dmas = <&dma 2>,
 100                                <&dma 3>;
 101                         dma-names = "tx", "rx";
 102                 };
 103
 104                 spi: spi@7e204000 {
 105                         compatible = "brcm,bcm2835-spi";
 106                         reg = <0x7e204000 0x1000>;
 107                         interrupts = <2 22>;
 108                         clocks = <&clk_spi>;
 109                         #address-cells = <1>;
 110                         #size-cells = <0>;
 111                         status = "disabled";
 112                 };
 113
 114                 i2c0: i2c@20205000 {
 115                         compatible = "brcm,bcm2835-i2c";
 116                         reg = <0x7e205000 0x1000>;
 117                         interrupts = <2 21>;
 118                         clocks = <&clk_i2c>;
 119                         #address-cells = <1>;
 120                         #size-cells = <0>;
 121                         status = "disabled";
 122                 };
 123
 124                 sdhci: sdhci@7e300000 {
 125                         compatible = "brcm,bcm2835-sdhci";
 126                         reg = <0x7e300000 0x100>;
 127                         interrupts = <2 30>;
 128                         clocks = <&clk_mmc>;
 129                         status = "disabled";
 130                 };
 131
 132                 i2c1: i2c@7e804000 {
 133                         compatible = "brcm,bcm2835-i2c";
 134                         reg = <0x7e804000 0x1000>;
 135                         interrupts = <2 21>;
 136                         clocks = <&clk_i2c>;
 137                         #address-cells = <1>;
 138                         #size-cells = <0>;
 139                         status = "disabled";
 140                 };
 141
 142                 usb@7e980000 {
 143                         compatible = "brcm,bcm2835-usb";
 144                         reg = <0x7e980000 0x10000>;
 145                         interrupts = <1 9>;
 146                 };
 147
 148                 arm-pmu {
 149                         compatible = "arm,arm1176-pmu";
 150                 };
 151         };
 152
 153         clocks {
 154                 compatible = "simple-bus";
 155                 #address-cells = <1>;
 156                 #size-cells = <0>;
 157
 158                 clk_mmc: clock@0 {
 159                         compatible = "fixed-clock";
 160                         reg = <0>;
 161                         #clock-cells = <0>;
 162                         clock-output-names = "mmc";
 163                         clock-frequency = <100000000>;
 164                 };
 165
 166                 clk_i2c: clock@1 {
 167                         compatible = "fixed-clock";
 168                         reg = <1>;
 169                         #clock-cells = <0>;
 170                         clock-output-names = "i2c";
 171                         clock-frequency = <250000000>;
 172                 };
 173
 174                 clk_spi: clock@2 {
 175                         compatible = "fixed-clock";
 176                         reg = <2>;
 177                         #clock-cells = <0>;
 178                         clock-output-names = "spi";
 179                         clock-frequency = <250000000>;
 180                 };
 181         };
 182 };